#include<stdio.h>
#define M 5

int main()
{
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);
    printf("hello world,M:%d\n",M);

    return 0;
}
    
